summaryrefslogtreecommitdiff
path: root/arch/sparc/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include')
-rw-r--r--arch/sparc/include/asm/Kbuild1
-rw-r--r--arch/sparc/include/asm/head_32.h8
-rw-r--r--arch/sparc/include/asm/kgdb.h2
-rw-r--r--arch/sparc/include/asm/page_32.h2
-rw-r--r--arch/sparc/include/asm/pgalloc_32.h4
-rw-r--r--arch/sparc/include/asm/pgalloc_64.h6
-rw-r--r--arch/sparc/include/asm/pgtable_32.h2
-rw-r--r--arch/sparc/include/asm/pgtable_64.h2
-rw-r--r--arch/sparc/include/asm/rwsem.h124
9 files changed, 11 insertions, 140 deletions
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index e92861883..6024c26c0 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -16,6 +16,7 @@ generic-y += mm-arch-hooks.h
generic-y += module.h
generic-y += mutex.h
generic-y += preempt.h
+generic-y += rwsem.h
generic-y += serial.h
generic-y += trace_clock.h
generic-y += types.h
diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h
index 5f1dbe315..6fc60fd18 100644
--- a/arch/sparc/include/asm/head_32.h
+++ b/arch/sparc/include/asm/head_32.h
@@ -43,10 +43,10 @@
nop;
#ifdef CONFIG_KGDB
-#define KGDB_TRAP(num) \
- b kgdb_trap_low; \
- rd %psr,%l0; \
- nop; \
+#define KGDB_TRAP(num) \
+ mov num, %l7; \
+ b kgdb_trap_low; \
+ rd %psr,%l0; \
nop;
#else
#define KGDB_TRAP(num) \
diff --git a/arch/sparc/include/asm/kgdb.h b/arch/sparc/include/asm/kgdb.h
index 47366af7a..a6ad7bf84 100644
--- a/arch/sparc/include/asm/kgdb.h
+++ b/arch/sparc/include/asm/kgdb.h
@@ -28,10 +28,10 @@ enum regnames {
#define NUMREGBYTES ((GDB_CSR + 1) * 4)
#else
#define NUMREGBYTES ((GDB_Y + 1) * 8)
+#endif
struct pt_regs;
asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs);
-#endif
void arch_kgdb_breakpoint(void);
diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h
index f82a1f36b..0efd0583a 100644
--- a/arch/sparc/include/asm/page_32.h
+++ b/arch/sparc/include/asm/page_32.h
@@ -69,7 +69,6 @@ typedef struct { unsigned long iopgprot; } iopgprot_t;
#define __pte(x) ((pte_t) { (x) } )
#define __iopte(x) ((iopte_t) { (x) } )
-/* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */
#define __pgd(x) ((pgd_t) { (x) } )
#define __ctxd(x) ((ctxd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
@@ -97,7 +96,6 @@ typedef unsigned long iopgprot_t;
#define __pte(x) (x)
#define __iopte(x) (x)
-/* #define __pmd(x) (x) */ /* XXX later */
#define __pgd(x) (x)
#define __ctxd(x) (x)
#define __pgprot(x) (x)
diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
index a3890da94..0346c7e62 100644
--- a/arch/sparc/include/asm/pgalloc_32.h
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -29,9 +29,9 @@ static inline void free_pgd_fast(pgd_t *pgd)
static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
{
- unsigned long pa = __nocache_pa((unsigned long)pmdp);
+ unsigned long pa = __nocache_pa(pmdp);
- set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (pa >> 4)));
+ set_pte((pte_t *)pgdp, __pte((SRMMU_ET_PTD | (pa >> 4))));
}
#define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index 5e3187185..3529f1378 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -41,8 +41,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(pgtable_cache,
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pud_free(struct mm_struct *mm, pud_t *pud)
@@ -52,8 +51,7 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(pgtable_cache,
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 91b963a88..ce6f56980 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -298,7 +298,7 @@ static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space)
#define pgprot_noncached pgprot_noncached
static inline pgprot_t pgprot_noncached(pgprot_t prot)
{
- prot &= ~__pgprot(SRMMU_CACHE);
+ pgprot_val(prot) &= ~pgprot_val(__pgprot(SRMMU_CACHE));
return prot;
}
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 5a189bf3c..e7d82803a 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -697,8 +697,6 @@ static inline unsigned long pmd_trans_huge(pmd_t pmd)
return pte_val(pte) & _PAGE_PMD_HUGE;
}
-#define has_transparent_hugepage() 1
-
static inline pmd_t pmd_mkold(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));
diff --git a/arch/sparc/include/asm/rwsem.h b/arch/sparc/include/asm/rwsem.h
deleted file mode 100644
index 069bf4d66..000000000
--- a/arch/sparc/include/asm/rwsem.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * rwsem.h: R/W semaphores implemented using CAS
- *
- * Written by David S. Miller (davem@redhat.com), 2001.
- * Derived from asm-i386/rwsem.h
- */
-#ifndef _SPARC64_RWSEM_H
-#define _SPARC64_RWSEM_H
-
-#ifndef _LINUX_RWSEM_H
-#error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead"
-#endif
-
-#ifdef __KERNEL__
-
-#define RWSEM_UNLOCKED_VALUE 0x00000000L
-#define RWSEM_ACTIVE_BIAS 0x00000001L
-#define RWSEM_ACTIVE_MASK 0xffffffffL
-#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1)
-#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS
-#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
-
-/*
- * lock for reading
- */
-static inline void __down_read(struct rw_semaphore *sem)
-{
- if (unlikely(atomic64_inc_return((atomic64_t *)(&sem->count)) <= 0L))
- rwsem_down_read_failed(sem);
-}
-
-static inline int __down_read_trylock(struct rw_semaphore *sem)
-{
- long tmp;
-
- while ((tmp = sem->count) >= 0L) {
- if (tmp == cmpxchg(&sem->count, tmp,
- tmp + RWSEM_ACTIVE_READ_BIAS)) {
- return 1;
- }
- }
- return 0;
-}
-
-/*
- * lock for writing
- */
-static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
-{
- long tmp;
-
- tmp = atomic64_add_return(RWSEM_ACTIVE_WRITE_BIAS,
- (atomic64_t *)(&sem->count));
- if (unlikely(tmp != RWSEM_ACTIVE_WRITE_BIAS))
- rwsem_down_write_failed(sem);
-}
-
-static inline void __down_write(struct rw_semaphore *sem)
-{
- __down_write_nested(sem, 0);
-}
-
-static inline int __down_write_trylock(struct rw_semaphore *sem)
-{
- long tmp;
-
- tmp = cmpxchg(&sem->count, RWSEM_UNLOCKED_VALUE,
- RWSEM_ACTIVE_WRITE_BIAS);
- return tmp == RWSEM_UNLOCKED_VALUE;
-}
-
-/*
- * unlock after reading
- */
-static inline void __up_read(struct rw_semaphore *sem)
-{
- long tmp;
-
- tmp = atomic64_dec_return((atomic64_t *)(&sem->count));
- if (unlikely(tmp < -1L && (tmp & RWSEM_ACTIVE_MASK) == 0L))
- rwsem_wake(sem);
-}
-
-/*
- * unlock after writing
- */
-static inline void __up_write(struct rw_semaphore *sem)
-{
- if (unlikely(atomic64_sub_return(RWSEM_ACTIVE_WRITE_BIAS,
- (atomic64_t *)(&sem->count)) < 0L))
- rwsem_wake(sem);
-}
-
-/*
- * implement atomic add functionality
- */
-static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
-{
- atomic64_add(delta, (atomic64_t *)(&sem->count));
-}
-
-/*
- * downgrade write lock to read lock
- */
-static inline void __downgrade_write(struct rw_semaphore *sem)
-{
- long tmp;
-
- tmp = atomic64_add_return(-RWSEM_WAITING_BIAS, (atomic64_t *)(&sem->count));
- if (tmp < 0L)
- rwsem_downgrade_wake(sem);
-}
-
-/*
- * implement exchange and add functionality
- */
-static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
-{
- return atomic64_add_return(delta, (atomic64_t *)(&sem->count));
-}
-
-#endif /* __KERNEL__ */
-
-#endif /* _SPARC64_RWSEM_H */
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-10-31 09:09:02 +0000